.TH "nvme_cmb_size" 9 "nvme_cmb_size" "July 2025" "libnvme API manual" LINUX
.SH NAME
nvme_cmb_size \- Calculate size of the controller memory buffer
.SH SYNOPSIS
.B "__u64" nvme_cmb_size
.BI "(__u32 cmbsz "  ");"
.SH ARGUMENTS
.IP "cmbsz" 12
Value from controller register NVME_REG_CMBSZ
.SH "RETURN"
size of controller memory buffer in bytes
